syzbot suspects this issue was fixed by commit: commit 6f861765464f43a71462d52026fbddfc858239a5 Author: Jan Kara <jack@xxxxxxx> Date: Wed Nov 1 17:43:10 2023 +0000 fs: Block writes to mounted block devices bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15458262180000 start commit: e8d018dd0257 Linux 6.3-rc3 git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=d40f6d44826f6cf7 dashboard link: https://syzkaller.appspot.com/bug?extid=a3db10baf0c0ee459854 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=159fa1d6c80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17bbce16c80000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: fs: Block writes to mounted block devices For information about bisection process see: https://goo.gl/tpsmEJ#bisection